<template>
<div class="list" ref="wrapper">
	<div>
		<div class="area">
			<div class="title border-topbottom">当前城市</div>
			<div class="city-wrapper">
				<div class="button-wrapper">
					<div class="button">{{ this.city }}</div>
				</div>
			</div>
		</div>
		<div class="area">
			<div class="title border-topbottom">热门城市</div>
			<div class="city-wrapper">
				<div class="button-wrapper"  v-for="item of hot" :key="item.id" @click="handCityChangeClick(item.name)">
					<div class="button">{{item.name}}</div>
				</div>
			</div>
			
		</div>
		<div class="area" v-for="(city,index) of cities" :key="index" :ref="index">
			<div class="title">{{ index }}</div>
			<div class="item-list">
				<div class="item border-bottom" v-for="item of city" :key="item.id" @click="handCityChangeClick(item.name)">{{item.name}}</div>
			</div>
		</div>
	</div>
</div>
</template>

<script>
import BScroll from 'better-scroll'
import { mapState, mapMutations } from 'vuex'
export default {
	name: 'CityList',
	props: {
		cities: Object,
		hot: Array,
		letter: String
	},
	mounted () {
		this.scroll = new BScroll(this.$refs.wrapper)
	},
	watch: {
		letter () {
			this.scroll.scrollToElement(this.$refs[this.letter][0])
		}
	},
	methods: {
		handCityChangeClick (city) {
			this.changeCity(city)
			this.$router.push('/')
		},
		...mapMutations(['changeCity'])
	},
	computed: {
		...mapState(['city'])
	}
}
</script>

<style lang="stylus" scoped>
@import '~styles/varibles.styl'
.border-topbottom
	&:before
		border-color: #ccc
	&:after
		border-color: #ccc
.list
	overflow: hidden
	position: absolute
	top: 1.6rem
	left: 0rem
	right: 0rem
	bottom: 0rem
	.title
		line-height: .54rem
		background: #eee
		padding-left: .2rem
		color: #666
		font-size: .26rem
	.city-wrapper
		overflow: hidden
		padding: .1rem .6rem .1rem .1rem
		.button-wrapper
			float: left
			width: 33.33%
			.button
				margin: .1rem
				padding: .1rem 0
				text-align: center
				border: .02rem solid #ccc
				border-radius: .06rem
	.item-list
		.item
			line-height: .76rem
			padding-left: .2rem
</style>
